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Identification of Heat Transfer Coefficients by Use Conditions of Quenching Oil Katsumi ICHITANI1 (1.Lubricants Research Laboratory, Idemitsu Kosan Co., Ltd., Chiba, Japan) 摘要:Heat transfer... to their desired hardness and quenching distortion requirements. In particular cooling performance rises by agitation and decompression. Therefore we identified a heat transfer coefficient by usage......
Modeling and Simulation of Heat Transfer in Loaded Continuous Heat Treatment Furnace () 摘要:Continuous furnaces are widely used in the heat treatment of mass-produced parts. However, the heating up process of parts in continuous furnace is still decided by experience. In this paper the heat transfer in the continuous furnace is formulated firstly. The heat balance in each zone is discussed......
Maximum heat transfer capacity of high temperature heat pipe with triangular grooved wickSHEN Yan(沈妍)1, ZHANG Hong(张红)1, 2, XU Hui(许辉)1, YU Ping(于萍)1, BAI Tong(白穜)1(1. College of Energy Engineering, Nanjing Tech University, Nanjing 211816, China;2. Changzhou Institute of Technology, Changzhou 213002, China)Abstract:A mathematical model was developed to predict the maximum heat transfer capacity......
Optimising Gas Quenching Technology through Modelling of Heat Transfer Qingfei Zhang1,Aymeric Goldsteinas2,Xavier Doussot2,Florent Chaffotte3,Didier Domergue3,Linda L4 (1.Air Liquide Shanghai Co... quenching process fully depends on the heat transfer between the gas and the quenched parts. The goal of this study is the optimisation of the gas quenching process efficiency through a better understanding......
transfer coefficient (or heat flux) is rarely measured, calculated or modeled in sufficient detail for real scientific use. Many single-thermocouple based probes are designed for the purpose...-time analyzes in heat transfer studies. Analyzes have been performed indicating that there exists a novel,thermal-rate sensor hierarchy that stabilizes predictions when used with analysis. This concept......
Heat transfer characteristics of nanofluid through circular tubeWUSIMAN Ku-er-ban-jiang1, CHUNG Han-shik2, MD. J. Nine1, HANDRY Afrianto1, EOM Yoon-sub1, KIM Jun-hyo3, JEONG Hyo-min2(1. Department..., Mokpo-si, Jeollanam-do, 530-729, Korea)Abstract:Nano fluid is considered to be a class of high efficient heat transfer fluid created by dispersing some special solid nanoparticles (normally less than......
A comprehensive comparison on vibration and heat transfer of two elastic heat transfer tube bundlesYAN Ke(闫柯)1, GE Pei-qi(葛培琪)2, ZHAI Qiang(翟强)1(1. Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System(Xi’an Jiaotong University), Xi’an 710049, China;2. School of Mechanical Engineering, Shandong University, Jinan 250061, China)Abstract:Elastic heat transfer tube bundles......
An experimental comparison of water based alumina and silica nanofluids heat transfer in laminar flow regimeAzari Ahmad, Kalbasi Mansour, Derakhshandeh Masoud(Depertment of Petrochemical Engineering, Amirkabir University of Technology (Tehran Polytechnic),Mahshahr Campus, Mahshahr, P. O. Box 415, Iran)Abstract:Experimental investigations were carried out to determine the convective heat transfer......
J. Cent. South Univ. Technol. (2011) 18: 580-586 DOI: 10.1007/s11771-011-0734-2 Effects of bending on heat transfer performance of axial micro-grooved heat pipe JIANG Le-lun(蒋乐伦), TANG Yong(汤勇... Heidelberg 2011 Abstract: Heat pipe is always bent in the typical application of electronic heat dissipation at high heat flux, which greatly affects its heat transfer performance. The capillary limit......
